﻿<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
  <title></title>
</head>
<body bgcolor="#99FFFF">
  abc
</body>
<body bgcolor="#FFFF00" margin="20">
  123
</body>
</html>

Test